Shanghai Thermostat Factory CO., Ltd (STF) is a professional manufacturer of refrigeration and air condition auto-control units. We have more than 60 years’ history in this industry.
    In 1985, STF cooperated with ALCO to produce T series expansion valve. We are the only Chinese company having the mixed infusing technology in expansion valve production. In 1993, Shanghai Johnson Controller Co.,Ltd was established by us and U.S Johnson to produce YK series controllers. In 1996, FDF-M series diaphragm solenoid valve was certified as National Grade New Product.
    Our main products include solenoid valve, thermostatic expansion valve, sight glasses, filter dryer, pressure controller, pressure difference controller and temperature controller. We have gained approval for our quality control system. Products are related to Carrier Q+ certificate, ISO9001:2000 international standard, CE&CQC approval and UL certificates can be supplied.
    Products are widely used by Carrier,Trane, Johnson Control, McQuay, Gree, Midea etc. and exported to America, Europe, Australia, Korea, Hongkong, Philippineand Taiwan etc..
    We stick to the development of specialization, give the best solution of localization and keep advanced in technology by continual innovation. We are always pursuing to be a leading enterprise in our area.


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